18975639

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2281}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 7313001

約数列:

[1, 3, 47, 59, 141, 177, 2281, 2773, 6843, 8319, 107207, 134579, 321621, 403737, 6325213, 18975639]

約数ペア:

[(1, 18975639), (3, 6325213), (47, 403737), (59, 321621), (141, 134579), (177, 107207), (2281, 8319), (2773, 6843)]